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How can I dither an 8-bit grayscale image to 2-bit?
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Posted By:   Anonymous
Posted On:   Monday, October 1, 2001 08:54 AM

I want to dither an 8-bit grayscale image to a 4-level one, but I only have predefined color cubes and dither masks for dithering TrueColor to 8-bit indexed color and 8-bit grayscale to 1-bit black-and-white. Is there a simple way to create appropriate parameters for other kinds of dithering?

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